Connecting your Speed Engineering longtube headers to the cat-back on your 2019–2024 Silverado, Sierra, or full-size SUV? This is the Y-pipe that completes the system. Built from 3" mandrel bent 304 natural stainless steel with a 3.5" exit, optional 3" and 3.5" ball socket connections, TIG-welded construction, and stainless band clamps included. Compatible with 6, 8, and 10 speed automatic transmissions. An optional wideband O₂ bung is available for tuning applications.
⚠️ Important: This system is designed to work with Speed Engineering longtube headers only. It is NOT compatible with factory exhaust manifolds.
Features:
- 3" Mandrel Bent Tubing — Consistent diameter throughout for maximum exhaust flow
- 3.5" Y-Pipe Exit — With optional 3" and 3.5" ball socket connections for flexible cat-back connection
- Optional Wideband Tuning Bung — Available for wideband O₂ sensor placement for tuning applications
- Compatible with 6, 8, and 10 Speed Automatic Transmissions
- Stainless Steel Band Clamps Included
- 304 Natural Stainless Steel Construction — Corrosion resistant, heat tolerant, and built to last
- Dyno Proven
Vehicle Applications:
Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2019 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2020 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2021 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2022 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2023 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
- 2024 Chevrolet Silverado 1500 (2WD/4WD) — 5.3L/6.2L
GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2019 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2020 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2021 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2022 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2023 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
- 2024 GMC Sierra 1500 (2WD/4WD) — 5.3L/6.2L
GMC Yukon & Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2019 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2020 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2021 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2022 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2023 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
- 2024 GMC Yukon/Yukon Denali (2WD/4WD) — 5.3L/6.2L
Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2021 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2022 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2023 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
- 2024 Chevrolet Tahoe (2WD/4WD) — 5.3L/6.2L
Cadillac Escalade (2WD/4WD) — 5.3L/6.2L
- 2021 Cadillac Escalade (2WD/4WD) — 6.2L
- 2022 Cadillac Escalade (2WD/4WD) — 6.2L
- 2023 Cadillac Escalade (2WD/4WD) — 6.2L
- 2024 Cadillac Escalade (2WD/4WD) — 6.2L
Frequently Asked Questions:
Q: Will this Y-pipe work with my factory exhaust manifolds? No. This system is designed for use with Speed Engineering longtube headers only. It is not compatible with factory exhaust manifolds.
Q: What transmissions is this Y-pipe compatible with? This Y-pipe is compatible with 6, 8, and 10 speed automatic transmissions.
Q: What is the exit diameter on this Y-pipe? This Y-pipe features a 3.5" exit with optional 3" and 3.5" ball socket connections for flexible connection to your cat-back exhaust system.
Q: Is a wideband O₂ bung included? An optional wideband O₂ bung is available for wideband sensor placement for tuning applications.
Q: What material is this Y-pipe made from? 304 natural stainless steel with mandrel-bent tubing and TIG-welded construction. Stainless band clamps are included.
Q: Is this Y-pipe street legal? No. This is a race-only product intended for closed-course competition use only. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).
⚠️ Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).